Contradiction with Jeremiah 5:21
This verse states that people have eyes but do not see and ears but do not hear, contradicting the clarity and understanding mentioned in Isaiah 32:4 for those who were once weak.
Jeremiah 5:21: Hear now this, O foolish people, and without understanding; which have eyes, and see not; which have ears, and hear not: [understanding: Heb. heart]
Contradiction with Matthew 13:13
In this verse, Jesus speaks in parables so that seeing they might not see, and hearing they might not understand, opposing the increase in understanding referenced in Isaiah 32:4.
Matthew 13:13: Therefore speak I to them in parables: because they seeing see not; and hearing they hear not, neither do they understand.
Contradiction with 2 Corinthians 3:14-15
This passage explains how the minds of the Israelites were blinded and a veil remains unlifted, which contradicts the open understanding depicted in Isaiah 32:4.
2 Corinthians 3:14-15: But their minds were blinded: for until this day remaineth the same vail untaken away in the reading of the old testament; which [vail] is done away in Christ.